SudokuMedium

Medium Sudoku — Puzzle 167

9857
61543
857
356
941
4216
4619
253
847

How to play

Fill every row, every column and every 3 by 3 box with the numbers 1 to 9, using each number once.

This puzzle has 32 given numbers and exactly one solution, so it can always be finished by reasoning alone.

613498527
279615438
854273691
138569742
596724813
742381956
467152389
925836174
381947265